piths ipths ptihs tpihs itphs tiphs pihts iphts phits hpits ihpts hipts pthis tphis phtis hptis thpis htpis ithps tihps ihtps hitps thips htips pitsh iptsh ptish tpish itpsh tipsh pisth ipsth psith spith ispth sipth ptsih tpsih pstih sptih tspih stpih itsph tisph istph sitph tsiph stiph pihst iphst phist hpist ihpst hipst pisht ipsht psiht spiht ispht sipht phsit hpsit pshit sphit hspit shpit ihspt hispt ishpt sihpt hsipt shipt pthsi tphsi phtsi hptsi thpsi htpsi ptshi tpshi psthi spthi tsphi stphi phsti hpsti pshti sphti hspti shpti thspi htspi tshpi sthpi hstpi shtpi ithsp tihsp ihtsp hitsp thisp htisp itshp tishp isthp sithp tsihp stihp ihstp histp ishtp sihtp hsitp shitp thsip htsip tship sthip hstip shtip
Note: these 'words' (valid or invalid) are all the permutations of the word piths. These words are obtained by scrambling the letters in piths.